And other animation studios all over the world (but especially those in Brazil, the UK, and Russia, as it turns out) know only too well how popular these animations are with kids (and, not-so-secretly, us millennials). That's why once Pixar or DW score a big hit, you can bet your bottom dollar that a smaller studio's gonna rip it off and release it under a suspiciously similar name.

That's exactly what happened to Shark Tale and Reef. And many, many others...

Related: 33 Disturbing Facts You Probably Didn't Know About Disney

33 Disturbing Disney Facts You Probably Didn't Know About

In the original version of The Little Mermaid, the bishop who marries Ariel and Prince Eric has a hard-on. After complaints from parents, a second version of the film was been released - with the sexual content removed, obvs.

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All Disneyland employees must wear company-issued underwear while at work in case their undergarments happen to show from under their costumes or uniforms.

Disney's film South of the South is so racist and controversial it was never released on home video.

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There's a very quick, full-frontal shot of Jessica Rabbit in Who Framed Roger Rabbit

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Apparently during one of the scenes in Aladdin, the young carpet-flying boy says "Good teenagers take off their clothes." Disney claims it's actually "Good kitty, take off and go," but we obviously know better.

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The Pirates of the Caribbean ride at Disneyland has real human bones on display.

The stars in one of the Lion King scenes spell 'SEX'. It was a little joke added by the special effects team - it actually says 'SFX', but clearly someone's handwriting was not on point and the whole thing backfired.

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101 Dalmatians, Peter Pan, Lady and the Tramp, and Mulan are among the only animated Disney films where both parents are present and don’t die.

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There are vents on Main Street in Disneyland that pipe artificial vanilla scents into the air to trick people into being happy.

A hyena biologist sued Disney for portraying hyenas as villains in The Lion King.

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The names of the main characters in Frozen sound out the name of the author of the original story the movie is based on. Hans, Kristoff, Anna, Sven = Hans Christian Andersen. You have to admit, that's a bit creepy.

Daveigh Chase, the voice actress who played Lilo in Lilo & Stitch, also played the girl in The Ring.

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The Toy Story actors at Disneyland used to drop dead when you yelled “Andy’s coming!” After it spread on Reddit and the actors couldn't keep up with the constant falling down and standing up, they were instructed to simply reply: "Andy's off to college."